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List , , and radiation in order of decreasing penetrating power.
Sand Filters
A water filtration system that uses sand as a natural filtering medium to remove impurities and particles from water, commonly used in water treatment processes.
Activated Charcoal
A form of carbon processed to have small, low-volume pores that increase the surface area available for adsorption or chemical reactions, often used in filtering and detoxifying.
Buffer Zones
Areas created to separate incompatible uses or to protect sensitive areas, often used for environmental protection or to reduce conflicts.
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